The retailer plans to spend at least $300 million on supply chain, technology and online improvements in the fiscal year that begins in February, including building new fulfillment centers and overhauling its warehouse technology systems. It plans to open three new fulfillment centers in California, Atlanta and Ohio over the next two years.

The moves are aimed at boosting online sales, including a same-day delivery service aimed at customers and professional contractors who might be in the midst of a home improvement product and want lumber, tiles or screws in a matter of hours.

And is Amazon expanding its AmazonFresh grocery-delivery service to San Francisco, Greg Bensinger reports today. There’s not much money to be made in low-margin groceries like bread and milk, but that’s beside the point